I did use the original tank, but used garden hose for the fuel line. which I would not reccomend, andI should have heated it with nylon from the start.
I havent a thread yet, bt will get onto it! It is exceptionaly similar to Tony's on this site, Probably the last thread on this site.
I have wondered about changing the system to pump after, which would allow a blend of startup fuel, as the pump cant even pump veg oil/ diesel mix at 50/50.

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cheers
Chris.
1990 landcruiser 80, 1HD-T two tank, copper pipe HE+ 20 plate FPHE, toyota solenoids and filters. 1978 300D, elsbett one tank system. 1979 300D veg oil/ diesel blend for now.